I learned it. Then forgot it.
Review at the right moment
The app estimates when each word is fading from memory and brings it back.
JLPT vocabulary, from N5 to N1
Review exactly when you are about to forget
7,928 JLPT words with native audio and smart review. 100% offline.
20 words a day, free. No sign-up. No login.
Also available for iPhone on the App Store.
N5 through N1100% offlineNo subscription
Get it on your phone
Scan with your phone camera.
N5 → N1
Meet the words you'll learn today.
Meanings, examples and audio together.
7,928JLPT words
9,100Translated examples
17,028Native audio
2,011Kanji
More room for learning
Less getting in the way. More Japanese.
I keep switching to a dictionary.
No dictionary needed
Meanings, detailed explanations, examples and pronunciation on one screen.
My connection keeps dropping.
Learn even in airplane mode
Words, meanings, examples and audio are all stored in the app.
Another monthly bill?
Pay once. Keep learning.
Try it free first. There is no recurring subscription.
Take a look inside
Find it. Learn it. Bring it back to mind.
From understanding a new word to recalling it later, all in one app.
Native audio for everything
Start at your level
Vocabulary from N5 through N1, ready for where you are.
See what to learn next
Keep track of your words and pick up where you left off.
Let the app time your reviews
Each word gets a review schedule that fits your memory.
Meaning meets pronunciation
Detailed explanations and translated examples in one place.
Watch your learning add up
A study calendar, progress by level and accuracy stats.
Make time for kanji
Explore 2,011 kanji and practise writing by hand.
Check what you remember
Meaning, kanji, fill-in-the-blank and matching quizzes. Retry your mistakes.
Give it a try
CODA keeps track. You keep learning.
Words fade over time. FSRS uses the forgetting curve to schedule a review for each word.
Choose whether you know it or need more practice. The app takes care of when to review.
Today's reviewReview demo
約束
やくそく
Remember what it means?
promise
This is a demo. Your study history is not saved.
Your study companions
Learning on your own. With a little company.
Each with a role in keeping you going.
DICO
Finds your next word
Brings you words with meanings, examples and native audio.
CODA
Keeps track of your reviews
Looks after your learning history and words to revisit.
BIT
Shows the kanji in each word
Look at a long word one kanji at a time.
Start at your own pace
Start free. Keep it with one purchase.
100% offline, one-time purchase
Free
20 words a day
Get to know the app first.
- Learn from N5 through N1
- No sign-up or login
- Offline words and audio
Lifetime Access
No subscriptionPay once
No subscription. Your price is shown in the store.
- Remove the daily learning limit
- Restore your purchase on a new device
- Keep learning offline
A few things to know
Ready when you are.
How much can I learn for free?
You can learn 20 words a day for free. Purchase Lifetime Access once to remove the daily learning limit.
Does audio work offline too?
Yes. Words, meanings, examples and native audio are all stored in the app. You can study in airplane mode.
Can beginners use it?
Yes. Vocabulary covers every level from N5 through N1. Start at your level and learn with meanings, examples and pronunciation.
Is it available for iPhone?
Yes. JLPT Decode is available on the App Store.
What if I change devices?
You can restore your purchase on a new device.
Is this a subscription?
No. Lifetime Access is a one-time purchase, with no recurring monthly payments.
Your next 20 words are waiting.
Start your Japanese learning today, for free.